--- /dev/null
+++ Libc/Libc-763.11/stdio/FreeBSD/fflush.c.patch
@@ -0,0 +1,25 @@
+--- fflush.c.bsdnew	2009-11-11 13:33:04.000000000 -0800
++++ fflush.c	2009-11-11 13:33:04.000000000 -0800
+@@ -39,6 +39,7 @@ __FBSDID("$FreeBSD: src/lib/libc/stdio/f
+ #include "namespace.h"
+ #include <errno.h>
+ #include <stdio.h>
++#include <string.h>
+ #include "un-namespace.h"
+ #include "libc_private.h"
+ #include "local.h"
+@@ -122,6 +123,14 @@ __sflush(FILE *fp)
+ 	for (; n > 0; n -= t, p += t) {
+ 		t = _swrite(fp, (char *)p, n);
+ 		if (t <= 0) {
++			/* 5340694: reset _p and _w on EAGAIN */
++			if (t < 0 && errno == EAGAIN) {
++				if (p > fp->_p) /* some was written */
++					memmove(fp->_p, p, n);
++				fp->_p += n;
++				if (!(fp->_flags & (__SLBF|__SNBF)))
++					fp->_w -= n;
++			}
+ 			fp->_flags |= __SERR;
+ 			return (EOF);
+ 		}